Chillicothe, OH
Climate overview — based on NOAA 1991-2020 normals from CHILLICOTHE MOUND CITY, OH US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
Chillicothe has an annual average temperature of 53.5°F with about 0 inches of precipitation per year. The warmest month is July (average high 85.0°F), and the coldest is January (average low 21.0°F).
Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
44.4°F
warmest to coldest month
Best time to visit Chillicothe
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Chillicothe's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1970s | 86 | |
| 1980s | 110 | |
| 1990s | 81 | |
| 2000s | 89 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 39.3°F | 21.0°F | 30.1°F | in | — | — |
| February | 43.0°F | 23.7°F | 33.4°F | in | — | — |
| March | 53.4°F | 31.0°F | 42.2°F | in | — | — |
| April | 65.7°F | 41.1°F | 53.4°F | in | — | — |
| May | 73.9°F | 51.5°F | 62.7°F | in | — | — |
| June | 83.0°F | 60.6°F | 71.8°F | in | — | — |
| July | 85.0°F | 64.1°F | 74.5°F | in | — | — |
| August | 84.7°F | 61.7°F | 73.2°F | in | — | — |
| September | 78.7°F | 53.7°F | 66.2°F | in | — | — |
| October | 67.3°F | 43.3°F | 55.3°F | in | — | — |
| November | 54.8°F | 33.5°F | 44.2°F | in | — | — |
| December | 43.7°F | 26.3°F | 35.0°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when